What is neuroplasticity and how do I strengthen it?
Neuroplasticity is the brain's lifelong ability to rewire itself. It is strengthened by learning new skills, sleep, aerobic exercise, novelty, social connection, and challenge just beyond comfort.
Neuroplasticity is the brain's ability to reshape itself in response to experience — forming new connections, pruning unused ones, and even growing new neurons in the hippocampus (the brain's memory hub). It continues throughout life. Aerobic exercise amplifies it (by raising BDNF, a growth signal for the brain), sleep locks learning in, and effortful practice of new skills, novelty, and social interaction all feed it. It is dampened by chronic stress, sleep loss, ultra-processed diet, isolation, and passive screen time. The habits that grow a plastic brain are much like the habits that grow a good life.
In older adults, regular aerobic exercise raised BDNF (a brain growth signal) and actually grew the memory hub of the brain (Erickson et al.).
Based on 2 sources — see references
What the studies found›
Deep sleep consolidates new learning; sleep loss impairs it.
Musical and language training induce measurable structural brain changes.
Years of unrelieved stress, through chronically high cortisol (the main stress hormone), makes the brain's memory hub less adaptable.
What does the research say?
Overall strength of the research behind this answer: Strong Human Research. The detail lives in the sections below — jump straight to the part you need.
Background: what it is and why it matters›
There are two kinds: connection-level change (linking existing brain cells more strongly) and structural change (new branches, and even new neurons).
It underlies all learning, recovery from injury, and adaptation to change.
Practices that support plasticity also protect against depression and cognitive decline.
Persian Perspective›
Persian and Sufi traditions taught that the heart-mind grows through repeated practice, remembrance, and conversation with wiser others.
Where tradition and science agree
- Persian tradition and modern neuroscience agree that a mind kept curious and challenged stays alive.
Where tradition and science differ›
- Neuroscience explains the molecular signals (BDNF, LTP); tradition trusted the practice itself.
How to use this information›
- Learn something a little hard, most days — a language, an instrument, a new route.
- Move aerobically for 20–40 minutes.
- Sleep with a steady schedule.
- Talk to people who challenge you kindly.
One small step today: Spend fifteen minutes today on something you are not yet good at.
Your brain is not fixed. It rewires with what you practice — for better or worse. Choose your practices with care; they become you.
FAQs›
Does the adult brain really grow new neurons?
Yes — modestly, mostly in the hippocampus, and dependent on exercise and enrichment.
Are brain-training apps useful?
They improve the trained task; broader transfer is limited compared to real learning.
Safety
If a symptom is new, severe, or persistent — or you are pregnant, on medication, or managing a chronic condition — please speak with a qualified clinician who knows you. Read Safety First.
Full references (2)
- Erickson KI et al. — Exercise, hippocampus, and memory (PNAS, 2011)
- Draganski B et al. — Structural brain changes with learning (Nature, 2004)
Where evidence is uncertain, we say so. Trust grows through honesty.
About this article
- Evidence confidence
- Strong evidence
- Originally published
- July 6, 2026
- Last editorial review
- July 6, 2026
- Last scientific review
- July 6, 2026
- Next scheduled review
- July 6, 2027
- Purpose
- Educational only. Not medical advice.
- Governance
- How we review · Report a correction
Version history
- July 6, 2026Published in the Hakim Cornerstone Library.
- July 6, 2026Editorial review completed — clarity, structure, and internal links refreshed.
- July 6, 2026Scientific review completed — evidence and safety guidance verified.